(1) The road transport authority may, in writing, delegate all or any of the authority's functions under the road transport legislation to—
(a) the chief police officer; or
(b) a public employee; or
(c) a person prescribed under the regulations.
(2) The chief police officer may, in writing, delegate all or any of the functions delegated to the chief police officer under subsection (1) to—
(a) a police officer; or
(b) a public employee; or
(c) a person prescribed under the regulations.
(3) A person mentioned in paragraph (1) (c) may, in writing, delegate all or any of the functions delegated to the person under subsection (1) to—
(a) a public employee; or
(b) a person prescribed under the regulations.
(4) However, a delegation under subsection (1) may provide that a stated function may not be delegated.